here is david letterman on the release of romney's tax returns. >> mitt romney released his 2011 tax returns, and that's not all. take a look. >> last week republican presidential candidate mitt romney released his 2011 income taxes and after numerous requests mitt has also decided to release his tax forms from the last 20 years. >> there you go. >> i'm mitt romney. i approve this message. >> jimmy kimmel took on romney's attempt to convince voters he can empathize with struggling americans in the aftermath of those comments on the 47% of americans he said don't even take care of their lives. >> too many americans are struggling to find work in today's economy. too many of those who are working are living paycheck to paycheck. more americans are living in poverty than when president obama took off, and 15 million more are on food stamps. my plan will create 12 million new jobs over the next four years. we shouldn't measure compassion by how many people are on welfare. we should measure compassion by how many people are able to get off welfare and get a good paying job. i'm mitt romne